Product comparison · 2 data projectors

Epson 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White vs Viewsonic PJD5555LW data projector Standard throw projector 3100 ANSI lumens 3LCD WXGA (1280x800) 3D Grey, White

45specifications compared
25differ
20identical
50known for one product only

Key differences

Projector brightness
- 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White:5000 ANSI lumens
- PJD5555LW data projector Standard throw projector 3100 ANSI lumens 3LCD WXGA (1280x800) 3D Grey, White:3100 ANSI lumens
Native aspect ratio
- 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White:16:9
- PJD5555LW data projector Standard throw projector 3100 ANSI lumens 3LCD WXGA (1280x800) 3D Grey, White:16:10
Contrast ratio (dynamic)
- 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White:5000:1
- PJD5555LW data projector Standard throw projector 3100 ANSI lumens 3LCD WXGA (1280x800) 3D Grey, White:18000:1
Uniformity
- 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White:90%
- PJD5555LW data projector Standard throw projector 3100 ANSI lumens 3LCD WXGA (1280x800) 3D Grey, White:130%
Keystone correction, vertical
- 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White:-30 - 30°
- PJD5555LW data projector Standard throw projector 3100 ANSI lumens 3LCD WXGA (1280x800) 3D Grey, White:-40 - 40°
Service life of light source
- 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White:4000 h
- PJD5555LW data projector Standard throw projector 3100 ANSI lumens 3LCD WXGA (1280x800) 3D Grey, White:5000 h
Service life of light source (economic mode)
- 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White:5000 h
- PJD5555LW data projector Standard throw projector 3100 ANSI lumens 3LCD WXGA (1280x800) 3D Grey, White:10000 h
Throw ratio
- 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White:1.27 - 2.59:1
- PJD5555LW data projector Standard throw projector 3100 ANSI lumens 3LCD WXGA (1280x800) 3D Grey, White:1.49 - 1.79:1

Side by side

Differences highlightedShow differences only

Comparison of 4770W, PJD5555LW
95 specifications	A Epson 4770W Standard throw projector 5000 ANSI lumens 3LCD WXGA (1280x800) White Model 4770W View product	B Viewsonic PJD5555LW data projector Standard throw projector 3100 ANSI lumens 3LCD WXGA (1280x800) 3D Grey, White Model PJD5555LW View product
Projector5 differ
Projector brightnessDiffers	5000 ANSI lumens	3100 ANSI lumens
Projection technology	3LCD	3LCD
Projector native resolution	WXGA (1280x800)	WXGA (1280x800)
Native aspect ratioDiffers	16:9	16:10
Supported aspect ratios	4:3, 16:10	4:3, 16:10
Screen size compatibility	762 - 7620 mm (30 - 300")	762 - 7620 mm (30 - 300")
Contrast ratio (dynamic)Differs	5000:1	18000:1
Number of colours	1.073 billion colours	1.073 billion colours
UniformityDiffers	90%	130%
Horizontal scan rangeKnown for one	15 - 92 kHz	Unknown — not stated by the source
Vertical scan rangeKnown for one	50 - 85 Hz	Unknown — not stated by the source
Colour light outputKnown for one	5000 ANSI lumens	Unknown — not stated by the source
Keystone correction, horizontalKnown for one	-30 - 30°	Unknown — not stated by the source
Keystone correction, verticalDiffers	-30 - 30°	-40 - 40°
Matrix typeKnown for one	3-panel (p-Si TFT active)	Unknown — not stated by the source
White light outputKnown for one	5000 ANSI lumens	Unknown — not stated by the source
Light source2 differ
Light source typeKnown for one	Lamp	Unknown — not stated by the source
Service life of light sourceDiffers	4000 h	5000 h
Service life of light source (economic mode)Differs	5000 h	10000 h
Lamp typeKnown for one	UHE	Unknown — not stated by the source
Lamp powerKnown for one	280 W	Unknown — not stated by the source
Lamps quantityKnown for one	1 lamp(s)	Unknown — not stated by the source
Lens system1 differ
FocusKnown for one	Manual	Unknown — not stated by the source
Focal length rangeKnown for one	16.72 - 33.47 mm	Unknown — not stated by the source
Aperture range (F-F)Known for one	1.5 - 2.14	Unknown — not stated by the source
Zoom capability	Yes	Yes
Zoom typeKnown for one	Manual	Unknown — not stated by the source
Zoom ratioKnown for one	1.2:1	Unknown — not stated by the source
Throw ratioDiffers	1.27 - 2.59:1	1.49 - 1.79:1
Horizontal lens shift rangeKnown for one	-38 - 38%	Unknown — not stated by the source
Vertical lens shift rangeKnown for one	-70 - 70%	Unknown — not stated by the source
Digital zoomKnown for one	Unknown — not stated by the source	2x
Optical zoomKnown for one	Unknown — not stated by the source	1.2x
Videoidentical
Analog signal format systemKnown for one	NTSC, PAL	Unknown — not stated by the source
Full HD	No	No
HD-ReadyKnown for one	Yes	Unknown — not stated by the source
Supported graphics resolutionsKnown for one	1280 x 1024 (SXGA), 1400 x 1050 (SXGA+), 640 x 480 (VGA), 800 x 600 (SVGA)	Unknown — not stated by the source
Supported video modesKnown for one	1080i, 1080p, 480i, 480p, 576i, 576p, 720p	Unknown — not stated by the source
3DKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces4 differ
VGA (D-Sub) ports quantityDiffers	2	1
HDMI ports quantity	1	1
Component video (YPbPr/YCbCr) in	0	0
Composite video inKnown for one	1	Unknown — not stated by the source
DVI port	No	No
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
S-Video inputs quantityKnown for one	1	Unknown — not stated by the source
USB 2.0 ports quantityDiffers	2	1
Audio (L/R) inDiffers	4	1
Serial interface type	RS-232	RS-232
USB connector typeDiffers	USB Type-A, USB Type-B	Mini-USB A
BNC input portsKnown for one	1	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
HDMI connector typeKnown for one	Unknown — not stated by the source	Full-size
PC in (D-Sub)Known for one	Unknown — not stated by the source	Yes
Network2 differ
Ethernet LANDiffers	Yes	No
Ethernet LAN (RJ-45) portsDiffers	1	0
Ethernet LAN data ratesKnown for one	10,100 Mbit/s	Unknown — not stated by the source
Wi-Fi	No	No
Storageidentical
Card reader integrated	No	No
Features3 differ
Noise levelDiffers	38 dB	32 dB
Noise level (economic mode)Differs	32 dB	28 dB
HDCPDiffers	No	Yes
Dot clock scanning frequencyKnown for one	162 MHz	Unknown — not stated by the source
On Screen Display (OSD)Known for one	Unknown — not stated by the source	Yes
On Screen Display (OSD) languagesKnown for one	Unknown — not stated by the source	Arabic, Simplified Chinese, Traditional Chinese, Czech, German, Dutch, English, Spanish, Finnish, French, Indonesian, Italian, Japanese, Korean, Polish, Portuguese, Russian, Swedish, Thai, Turkish, Vietnamese
Design1 differ
Product type	Standard throw projector	Standard throw projector
Product colourDiffers	White	Grey, White
Placement	Desktop	Desktop
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Market positioningKnown for one	Unknown — not stated by the source	Presentation
Power3 differ
Power source	AC	AC
Power consumption (typical)Known for one	409 W	Unknown — not stated by the source
Power consumption (standby)Differs	4.3 W	0.5 W
Power consumption (max)Differs	409 W	265 W
Power consumption (PowerSave)Known for one	0.41 W	Unknown — not stated by the source
Power consumption (economy mode)Known for one	311 W	Unknown — not stated by the source
AC input voltage	100 - 240 V	100 - 240 V
AC input frequencyDiffers	56/60 Hz	50 - 60 Hz
Voltage toleranceKnown for one	10%	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 45 °C	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	6.49 kg	2.4 kg
WidthDiffers	472 mm	362 mm
DepthDiffers	320 mm	231 mm
HeightDiffers	134 mm	109 mm
Packaging contentidentical
Remote control included	Yes	Yes
Remote control type	IR	IR
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
RS-232 ports	1	1
Multimediaidentical
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
Number of built-in speakersKnown for one	Unknown — not stated by the source	1
RMS rated powerKnown for one	Unknown — not stated by the source	2 W
Displayidentical
Built-in displayKnown for one	Unknown — not stated by the source	No
Technical detailsidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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